Let's roll up our sleeves and solve this. We have 63 and we're going to multiply it by 438, essentially adding 63 to itself 438 times.
Step 1: 0 + 63 = 63
Step 2: 63 + 63 = 126
Step 3: 126 + 63 = 189
Step 4: 189 + 63 = 252
Step 5: 252 + 63 = 315
Step 6: 315 + 63 = 378
Step 7: 378 + 63 = 441
Step 8: 441 + 63 = 504
Step 9: 504 + 63 = 567
Step 10: 567 + 63 = 630
Step 11: 630 + 63 = 693
Step 12: 693 + 63 = 756
Step 13: 756 + 63 = 819
Step 14: 819 + 63 = 882
Step 15: 882 + 63 = 945
Step 16: 945 + 63 = 1008
Step 17: 1008 + 63 = 1071
Step 18: 1071 + 63 = 1134
Step 19: 1134 + 63 = 1197
Step 20: 1197 + 63 = 1260
Step 21: 1260 + 63 = 1323
Step 22: 1323 + 63 = 1386
Step 23: 1386 + 63 = 1449
Step 24: 1449 + 63 = 1512
Step 25: 1512 + 63 = 1575
Step 26: 1575 + 63 = 1638
Step 27: 1638 + 63 = 1701
Step 28: 1701 + 63 = 1764
Step 29: 1764 + 63 = 1827
Step 30: 1827 + 63 = 1890
Step 31: 1890 + 63 = 1953
Step 32: 1953 + 63 = 2016
Step 33: 2016 + 63 = 2079
Step 34: 2079 + 63 = 2142
Step 35: 2142 + 63 = 2205
Step 36: 2205 + 63 = 2268
Step 37: 2268 + 63 = 2331
Step 38: 2331 + 63 = 2394
Step 39: 2394 + 63 = 2457
Step 40: 2457 + 63 = 2520
Step 41: 2520 + 63 = 2583
Step 42: 2583 + 63 = 2646
Step 43: 2646 + 63 = 2709
Step 44: 2709 + 63 = 2772
Step 45: 2772 + 63 = 2835
Step 46: 2835 + 63 = 2898
Step 47: 2898 + 63 = 2961
Step 48: 2961 + 63 = 3024
Step 49: 3024 + 63 = 3087
Step 50: 3087 + 63 = 3150
Step 51: 3150 + 63 = 3213
Step 52: 3213 + 63 = 3276
Step 53: 3276 + 63 = 3339
Step 54: 3339 + 63 = 3402
Step 55: 3402 + 63 = 3465
Step 56: 3465 + 63 = 3528
Step 57: 3528 + 63 = 3591
Step 58: 3591 + 63 = 3654
Step 59: 3654 + 63 = 3717
Step 60: 3717 + 63 = 3780
Step 61: 3780 + 63 = 3843
Step 62: 3843 + 63 = 3906
Step 63: 3906 + 63 = 3969
Step 64: 3969 + 63 = 4032
Step 65: 4032 + 63 = 4095
Step 66: 4095 + 63 = 4158
Step 67: 4158 + 63 = 4221
Step 68: 4221 + 63 = 4284
Step 69: 4284 + 63 = 4347
Step 70: 4347 + 63 = 4410
Step 71: 4410 + 63 = 4473
Step 72: 4473 + 63 = 4536
Step 73: 4536 + 63 = 4599
Step 74: 4599 + 63 = 4662
Step 75: 4662 + 63 = 4725
Step 76: 4725 + 63 = 4788
Step 77: 4788 + 63 = 4851
Step 78: 4851 + 63 = 4914
Step 79: 4914 + 63 = 4977
Step 80: 4977 + 63 = 5040
Step 81: 5040 + 63 = 5103
Step 82: 5103 + 63 = 5166
Step 83: 5166 + 63 = 5229
Step 84: 5229 + 63 = 5292
Step 85: 5292 + 63 = 5355
Step 86: 5355 + 63 = 5418
Step 87: 5418 + 63 = 5481
Step 88: 5481 + 63 = 5544
Step 89: 5544 + 63 = 5607
Step 90: 5607 + 63 = 5670
Step 91: 5670 + 63 = 5733
Step 92: 5733 + 63 = 5796
Step 93: 5796 + 63 = 5859
Step 94: 5859 + 63 = 5922
Step 95: 5922 + 63 = 5985
Step 96: 5985 + 63 = 6048
Step 97: 6048 + 63 = 6111
Step 98: 6111 + 63 = 6174
Step 99: 6174 + 63 = 6237
Step 100: 6237 + 63 = 6300
Step 101: 6300 + 63 = 6363
Step 102: 6363 + 63 = 6426
Step 103: 6426 + 63 = 6489
Step 104: 6489 + 63 = 6552
Step 105: 6552 + 63 = 6615
Step 106: 6615 + 63 = 6678
Step 107: 6678 + 63 = 6741
Step 108: 6741 + 63 = 6804
Step 109: 6804 + 63 = 6867
Step 110: 6867 + 63 = 6930
Step 111: 6930 + 63 = 6993
Step 112: 6993 + 63 = 7056
Step 113: 7056 + 63 = 7119
Step 114: 7119 + 63 = 7182
Step 115: 7182 + 63 = 7245
Step 116: 7245 + 63 = 7308
Step 117: 7308 + 63 = 7371
Step 118: 7371 + 63 = 7434
Step 119: 7434 + 63 = 7497
Step 120: 7497 + 63 = 7560
Step 121: 7560 + 63 = 7623
Step 122: 7623 + 63 = 7686
Step 123: 7686 + 63 = 7749
Step 124: 7749 + 63 = 7812
Step 125: 7812 + 63 = 7875
Step 126: 7875 + 63 = 7938
Step 127: 7938 + 63 = 8001
Step 128: 8001 + 63 = 8064
Step 129: 8064 + 63 = 8127
Step 130: 8127 + 63 = 8190
Step 131: 8190 + 63 = 8253
Step 132: 8253 + 63 = 8316
Step 133: 8316 + 63 = 8379
Step 134: 8379 + 63 = 8442
Step 135: 8442 + 63 = 8505
Step 136: 8505 + 63 = 8568
Step 137: 8568 + 63 = 8631
Step 138: 8631 + 63 = 8694
Step 139: 8694 + 63 = 8757
Step 140: 8757 + 63 = 8820
Step 141: 8820 + 63 = 8883
Step 142: 8883 + 63 = 8946
Step 143: 8946 + 63 = 9009
Step 144: 9009 + 63 = 9072
Step 145: 9072 + 63 = 9135
Step 146: 9135 + 63 = 9198
Step 147: 9198 + 63 = 9261
Step 148: 9261 + 63 = 9324
Step 149: 9324 + 63 = 9387
Step 150: 9387 + 63 = 9450
Step 151: 9450 + 63 = 9513
Step 152: 9513 + 63 = 9576
Step 153: 9576 + 63 = 9639
Step 154: 9639 + 63 = 9702
Step 155: 9702 + 63 = 9765
Step 156: 9765 + 63 = 9828
Step 157: 9828 + 63 = 9891
Step 158: 9891 + 63 = 9954
Step 159: 9954 + 63 = 10017
Step 160: 10017 + 63 = 10080
Step 161: 10080 + 63 = 10143
Step 162: 10143 + 63 = 10206
Step 163: 10206 + 63 = 10269
Step 164: 10269 + 63 = 10332
Step 165: 10332 + 63 = 10395
Step 166: 10395 + 63 = 10458
Step 167: 10458 + 63 = 10521
Step 168: 10521 + 63 = 10584
Step 169: 10584 + 63 = 10647
Step 170: 10647 + 63 = 10710
Step 171: 10710 + 63 = 10773
Step 172: 10773 + 63 = 10836
Step 173: 10836 + 63 = 10899
Step 174: 10899 + 63 = 10962
Step 175: 10962 + 63 = 11025
Step 176: 11025 + 63 = 11088
Step 177: 11088 + 63 = 11151
Step 178: 11151 + 63 = 11214
Step 179: 11214 + 63 = 11277
Step 180: 11277 + 63 = 11340
Step 181: 11340 + 63 = 11403
Step 182: 11403 + 63 = 11466
Step 183: 11466 + 63 = 11529
Step 184: 11529 + 63 = 11592
Step 185: 11592 + 63 = 11655
Step 186: 11655 + 63 = 11718
Step 187: 11718 + 63 = 11781
Step 188: 11781 + 63 = 11844
Step 189: 11844 + 63 = 11907
Step 190: 11907 + 63 = 11970
Step 191: 11970 + 63 = 12033
Step 192: 12033 + 63 = 12096
Step 193: 12096 + 63 = 12159
Step 194: 12159 + 63 = 12222
Step 195: 12222 + 63 = 12285
Step 196: 12285 + 63 = 12348
Step 197: 12348 + 63 = 12411
Step 198: 12411 + 63 = 12474
Step 199: 12474 + 63 = 12537
Step 200: 12537 + 63 = 12600
Step 201: 12600 + 63 = 12663
Step 202: 12663 + 63 = 12726
Step 203: 12726 + 63 = 12789
Step 204: 12789 + 63 = 12852
Step 205: 12852 + 63 = 12915
Step 206: 12915 + 63 = 12978
Step 207: 12978 + 63 = 13041
Step 208: 13041 + 63 = 13104
Step 209: 13104 + 63 = 13167
Step 210: 13167 + 63 = 13230
Step 211: 13230 + 63 = 13293
Step 212: 13293 + 63 = 13356
Step 213: 13356 + 63 = 13419
Step 214: 13419 + 63 = 13482
Step 215: 13482 + 63 = 13545
Step 216: 13545 + 63 = 13608
Step 217: 13608 + 63 = 13671
Step 218: 13671 + 63 = 13734
Step 219: 13734 + 63 = 13797
Step 220: 13797 + 63 = 13860
Step 221: 13860 + 63 = 13923
Step 222: 13923 + 63 = 13986
Step 223: 13986 + 63 = 14049
Step 224: 14049 + 63 = 14112
Step 225: 14112 + 63 = 14175
Step 226: 14175 + 63 = 14238
Step 227: 14238 + 63 = 14301
Step 228: 14301 + 63 = 14364
Step 229: 14364 + 63 = 14427
Step 230: 14427 + 63 = 14490
Step 231: 14490 + 63 = 14553
Step 232: 14553 + 63 = 14616
Step 233: 14616 + 63 = 14679
Step 234: 14679 + 63 = 14742
Step 235: 14742 + 63 = 14805
Step 236: 14805 + 63 = 14868
Step 237: 14868 + 63 = 14931
Step 238: 14931 + 63 = 14994
Step 239: 14994 + 63 = 15057
Step 240: 15057 + 63 = 15120
Step 241: 15120 + 63 = 15183
Step 242: 15183 + 63 = 15246
Step 243: 15246 + 63 = 15309
Step 244: 15309 + 63 = 15372
Step 245: 15372 + 63 = 15435
Step 246: 15435 + 63 = 15498
Step 247: 15498 + 63 = 15561
Step 248: 15561 + 63 = 15624
Step 249: 15624 + 63 = 15687
Step 250: 15687 + 63 = 15750
Step 251: 15750 + 63 = 15813
Step 252: 15813 + 63 = 15876
Step 253: 15876 + 63 = 15939
Step 254: 15939 + 63 = 16002
Step 255: 16002 + 63 = 16065
Step 256: 16065 + 63 = 16128
Step 257: 16128 + 63 = 16191
Step 258: 16191 + 63 = 16254
Step 259: 16254 + 63 = 16317
Step 260: 16317 + 63 = 16380
Step 261: 16380 + 63 = 16443
Step 262: 16443 + 63 = 16506
Step 263: 16506 + 63 = 16569
Step 264: 16569 + 63 = 16632
Step 265: 16632 + 63 = 16695
Step 266: 16695 + 63 = 16758
Step 267: 16758 + 63 = 16821
Step 268: 16821 + 63 = 16884
Step 269: 16884 + 63 = 16947
Step 270: 16947 + 63 = 17010
Step 271: 17010 + 63 = 17073
Step 272: 17073 + 63 = 17136
Step 273: 17136 + 63 = 17199
Step 274: 17199 + 63 = 17262
Step 275: 17262 + 63 = 17325
Step 276: 17325 + 63 = 17388
Step 277: 17388 + 63 = 17451
Step 278: 17451 + 63 = 17514
Step 279: 17514 + 63 = 17577
Step 280: 17577 + 63 = 17640
Step 281: 17640 + 63 = 17703
Step 282: 17703 + 63 = 17766
Step 283: 17766 + 63 = 17829
Step 284: 17829 + 63 = 17892
Step 285: 17892 + 63 = 17955
Step 286: 17955 + 63 = 18018
Step 287: 18018 + 63 = 18081
Step 288: 18081 + 63 = 18144
Step 289: 18144 + 63 = 18207
Step 290: 18207 + 63 = 18270
Step 291: 18270 + 63 = 18333
Step 292: 18333 + 63 = 18396
Step 293: 18396 + 63 = 18459
Step 294: 18459 + 63 = 18522
Step 295: 18522 + 63 = 18585
Step 296: 18585 + 63 = 18648
Step 297: 18648 + 63 = 18711
Step 298: 18711 + 63 = 18774
Step 299: 18774 + 63 = 18837
Step 300: 18837 + 63 = 18900
Step 301: 18900 + 63 = 18963
Step 302: 18963 + 63 = 19026
Step 303: 19026 + 63 = 19089
Step 304: 19089 + 63 = 19152
Step 305: 19152 + 63 = 19215
Step 306: 19215 + 63 = 19278
Step 307: 19278 + 63 = 19341
Step 308: 19341 + 63 = 19404
Step 309: 19404 + 63 = 19467
Step 310: 19467 + 63 = 19530
Step 311: 19530 + 63 = 19593
Step 312: 19593 + 63 = 19656
Step 313: 19656 + 63 = 19719
Step 314: 19719 + 63 = 19782
Step 315: 19782 + 63 = 19845
Step 316: 19845 + 63 = 19908
Step 317: 19908 + 63 = 19971
Step 318: 19971 + 63 = 20034
Step 319: 20034 + 63 = 20097
Step 320: 20097 + 63 = 20160
Step 321: 20160 + 63 = 20223
Step 322: 20223 + 63 = 20286
Step 323: 20286 + 63 = 20349
Step 324: 20349 + 63 = 20412
Step 325: 20412 + 63 = 20475
Step 326: 20475 + 63 = 20538
Step 327: 20538 + 63 = 20601
Step 328: 20601 + 63 = 20664
Step 329: 20664 + 63 = 20727
Step 330: 20727 + 63 = 20790
Step 331: 20790 + 63 = 20853
Step 332: 20853 + 63 = 20916
Step 333: 20916 + 63 = 20979
Step 334: 20979 + 63 = 21042
Step 335: 21042 + 63 = 21105
Step 336: 21105 + 63 = 21168
Step 337: 21168 + 63 = 21231
Step 338: 21231 + 63 = 21294
Step 339: 21294 + 63 = 21357
Step 340: 21357 + 63 = 21420
Step 341: 21420 + 63 = 21483
Step 342: 21483 + 63 = 21546
Step 343: 21546 + 63 = 21609
Step 344: 21609 + 63 = 21672
Step 345: 21672 + 63 = 21735
Step 346: 21735 + 63 = 21798
Step 347: 21798 + 63 = 21861
Step 348: 21861 + 63 = 21924
Step 349: 21924 + 63 = 21987
Step 350: 21987 + 63 = 22050
Step 351: 22050 + 63 = 22113
Step 352: 22113 + 63 = 22176
Step 353: 22176 + 63 = 22239
Step 354: 22239 + 63 = 22302
Step 355: 22302 + 63 = 22365
Step 356: 22365 + 63 = 22428
Step 357: 22428 + 63 = 22491
Step 358: 22491 + 63 = 22554
Step 359: 22554 + 63 = 22617
Step 360: 22617 + 63 = 22680
Step 361: 22680 + 63 = 22743
Step 362: 22743 + 63 = 22806
Step 363: 22806 + 63 = 22869
Step 364: 22869 + 63 = 22932
Step 365: 22932 + 63 = 22995
Step 366: 22995 + 63 = 23058
Step 367: 23058 + 63 = 23121
Step 368: 23121 + 63 = 23184
Step 369: 23184 + 63 = 23247
Step 370: 23247 + 63 = 23310
Step 371: 23310 + 63 = 23373
Step 372: 23373 + 63 = 23436
Step 373: 23436 + 63 = 23499
Step 374: 23499 + 63 = 23562
Step 375: 23562 + 63 = 23625
Step 376: 23625 + 63 = 23688
Step 377: 23688 + 63 = 23751
Step 378: 23751 + 63 = 23814
Step 379: 23814 + 63 = 23877
Step 380: 23877 + 63 = 23940
Step 381: 23940 + 63 = 24003
Step 382: 24003 + 63 = 24066
Step 383: 24066 + 63 = 24129
Step 384: 24129 + 63 = 24192
Step 385: 24192 + 63 = 24255
Step 386: 24255 + 63 = 24318
Step 387: 24318 + 63 = 24381
Step 388: 24381 + 63 = 24444
Step 389: 24444 + 63 = 24507
Step 390: 24507 + 63 = 24570
Step 391: 24570 + 63 = 24633
Step 392: 24633 + 63 = 24696
Step 393: 24696 + 63 = 24759
Step 394: 24759 + 63 = 24822
Step 395: 24822 + 63 = 24885
Step 396: 24885 + 63 = 24948
Step 397: 24948 + 63 = 25011
Step 398: 25011 + 63 = 25074
Step 399: 25074 + 63 = 25137
Step 400: 25137 + 63 = 25200
Step 401: 25200 + 63 = 25263
Step 402: 25263 + 63 = 25326
Step 403: 25326 + 63 = 25389
Step 404: 25389 + 63 = 25452
Step 405: 25452 + 63 = 25515
Step 406: 25515 + 63 = 25578
Step 407: 25578 + 63 = 25641
Step 408: 25641 + 63 = 25704
Step 409: 25704 + 63 = 25767
Step 410: 25767 + 63 = 25830
Step 411: 25830 + 63 = 25893
Step 412: 25893 + 63 = 25956
Step 413: 25956 + 63 = 26019
Step 414: 26019 + 63 = 26082
Step 415: 26082 + 63 = 26145
Step 416: 26145 + 63 = 26208
Step 417: 26208 + 63 = 26271
Step 418: 26271 + 63 = 26334
Step 419: 26334 + 63 = 26397
Step 420: 26397 + 63 = 26460
Step 421: 26460 + 63 = 26523
Step 422: 26523 + 63 = 26586
Step 423: 26586 + 63 = 26649
Step 424: 26649 + 63 = 26712
Step 425: 26712 + 63 = 26775
Step 426: 26775 + 63 = 26838
Step 427: 26838 + 63 = 26901
Step 428: 26901 + 63 = 26964
Step 429: 26964 + 63 = 27027
Step 430: 27027 + 63 = 27090
Step 431: 27090 + 63 = 27153
Step 432: 27153 + 63 = 27216
Step 433: 27216 + 63 = 27279
Step 434: 27279 + 63 = 27342
Step 435: 27342 + 63 = 27405
Step 436: 27405 + 63 = 27468
Step 437: 27468 + 63 = 27531
Step 438: 27531 + 63 = 27594

So, 63*438 = 27594